This preventive coating on the teeth is a superpower to help lock cavities out.
Sealants are the white protective coating that is typically put on adult (permanent) teeth to help protect cavities. Eighty percent of cavities on permanent teeth occur on the biting surfaces of back molars – food and bacteria get stuck in the grooves of these molars and cause cavities. A sealant fills in the grooves (like caulking in your shower) preventing bacteria from getting stuck, growing and creating a cavity. Sealants typically last for five years before being replaced. Often sealants don’t need to be replaced as children grow older and their brushing and manual dexterity improves.